Registro DMARC
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:dmarc@us.edu.pl;ruf=mailto:dmarc@us.edu.pl;ri=86400;aspf=r;adkim=r;fo=1

Registro IPv4
host: us.edu.pl
class: IN
ttl: 2794
type: A
ip: 155.158.211.71

Servidores DNS Principal (mname) y Secundario (rname)
host: us.edu.pl
class: IN
ttl: 3600
type: SOA
mname: dns1.us.edu.pl
rname: dns.us.edu.pl
serial: 2024111900
refresh: 3600
retry: 1800
expire: 1814400
minimum-ttl: 86400

Servidor de Correo
host: us.edu.pl
class: IN
ttl: 3600
type: MX
pri: 10
target: d69205a.ess.barracudanetworks.com

Servidor de Correo
host: us.edu.pl
class: IN
ttl: 3600
type: MX
pri: 20
target: d69205b.ess.barracudanetworks.com

Información TXT
host: us.edu.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:155.158.102.210 ip4:155.158.102.75 ip4:155.158.102.69 ip4:155.158.102.209 ip4:155.158.102.247 ip4:208.91.114.151 include:_spf.google.com a:mailbus.bg.us.edu.pl a:vdsw.us.edu.pl a:theta2.us.edu.pl -all
entries: Array

host: us.edu.pl
class: IN
ttl: 3600
type: NAPTR
order: 10
pref: 10
flags: s
services: x-eduroam:radius.tls
regex: 
replacement: _radsec._tcp.eduroam.silweb.pl